| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* arch/arm/mach-s3c2410/include/mach/debug-macro.S |
| * |
| * Debugging macro include header |
| * |
| * Copyright (C) 1994-1999 Russell King |
| * Copyright (C) 2005 Simtec Electronics |
| * |
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
| */ |
| |
| #include <linux/serial_s3c.h> |
| |
| #define S3C2410_UART1_OFF (0x4000) |
| |
| .macro addruart, rp, rv, tmp |
| ldr \rp, = CONFIG_DEBUG_UART_PHYS |
| ldr \rv, = CONFIG_DEBUG_UART_VIRT |
| .endm |
| |
| .macro fifo_full_s3c2410 rd, rx |
| ldr \rd, [\rx, # S3C2410_UFSTAT] |
| tst \rd, #S3C2410_UFSTAT_TXFULL |
| .endm |
| |
| .macro fifo_level_s3c2410 rd, rx |
| ldr \rd, [\rx, # S3C2410_UFSTAT] |
| and \rd, \rd, #S3C2410_UFSTAT_TXMASK |
| .endm |
| |
| /* Select the correct implementation depending on the configuration. The |
| * S3C2440 will get selected by default, as these are the most widely |
| * used variants of these |
| */ |
| |
| #if defined(CONFIG_DEBUG_S3C2410_UART) |
| #define fifo_full fifo_full_s3c2410 |
| #define fifo_level fifo_level_s3c2410 |
| #endif |
| |
| /* include the reset of the code which will do the work */ |
| |
| #include <debug/samsung.S> |
